#image1 {
  background-image: url(2019/fondo.jpg);
  background-attachment: fixed;
  background-size: cover;
  height: 90vh;
}

#image2 {
  background-image: url(2019/uaeh.jpg);
  width: 100%;
  background-attachment: fixed;
  background-size: cover;
  height: 60vh;
}

#image3 {
  background-color: whitesmoke;
  background-attachment: fixed;
  background-size: cover;
  height: 50vh;
}
#image4 {
  background-color: gray;
  background-attachment: fixed;
  background-size: cover;
  height: 100%;
}
p{
	font-size: 16px;
}